package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询
     *
     * @param shoppingCart 购物车对象
     * @return 查询结果
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     *
     * @param shoppingCart 购物车对象
     */
    @Update("UPDATE shopping_cart SET number = #{number} WHERE id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     *
     * @param shoppingCart 购物车对象
     */
    @Insert("INSERT INTO shopping_cart " +
            "(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "VALUES (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id清空对应的购物车数据
     *
     * @param shoppingCart 购物车对象
     */
    @Delete("DELETE FROM shopping_cart WHERE user_id = #{userId}")
    void deleteByUserId(ShoppingCart shoppingCart);

    /**
     * 根据购物车id删除购物车商品
     *
     * @param shoppingCart 购物车对象
     */
    @Delete("DELETE FROM shopping_cart WHERE id = #{id}")
    void deleteById(ShoppingCart shoppingCart);

    /**
     * 批量添加购物车数据
     *
     * @param shoppingCartList 购物车数据集合
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
